# css-what: what changed from 7 to 8

- Product: css-what (https://whatsnew.fyi/product/css-what)
- Vendor: css-what
- Range: changelog entries numbered after v7.0.0 up to and including v8.0.0, stable releases only
- Entries below: 1 release (newest first)
- Resolved: 7 is v7.0.0 and 8 is v8.0.0, the newest stable release of each major we track
- Carrying security changes: 0 · CVEs mentioned: 0 · Mentioning breaking changes: 0 · Removing or deprecating something: 1
- Page: https://whatsnew.fyi/product/css-what/compare/7...8

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

## What changed (1 change, grouped by kind)

### Removed

#### v8.0.0 (2026-03-17)

- css-what is now ESM-only and no longer supports CommonJS

## Release notes

### v8.0.0

- Date: 2026-03-17
- Version: v8.0.0
- Original notes: https://github.com/fb55/css-what/releases/tag/v8.0.0
- Permalink: https://whatsnew.fyi/product/css-what/releases/v8.0.0

- **removed** — css-what is now ESM-only and no longer supports CommonJS

**BREADKING**: css-what is now ESM-only https://github.com/fb55/css-what/pull/1736


**Full Changelog**: https://github.com/fb55/css-what/compare/v7.0.0...v8.0.0